25014623480 has 384 divisors, whose sum is σ = 76324550400. Its totient is φ = 7270502400.

The previous prime is 25014623477. The next prime is 25014623483. The reversal of 25014623480 is 8432641052.

It is an interprime number because it is at equal distance from previous prime (25014623477) and next prime (25014623483).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 25014623480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25014623483) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 50946035 + ... + 50946525.

It is an arithmetic number, because the mean of its divisors is an integer number (198761850).

Almost surely, 2^25014623480 is an apocalyptic number.

25014623480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25014623480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38162275200).

25014623480 is an abundant number, since it is smaller than the sum of its proper divisors (51309926920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25014623480 is a wasteful number, since it uses less digits than its factorization.

25014623480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

25014623480 divided by its sum of digits (35) gives a triangular number (714703528 = T₃₇₈₀₇).

The spelling of 25014623480 in words is "twenty-five billion, fourteen million, six hundred twenty-three thousand, four hundred eighty".