25474907340 has 36 divisors (see below), whose sum is σ = 77273886144. Its totient is φ = 6793308576.

The previous prime is 25474907329. The next prime is 25474907347. The reversal of 25474907340 is 4370947452.

25474907340 is a `hidden beast` number, since 2 + 54 + 7 + 490 + 73 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (25474907347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70763452 + ... + 70763811.

Almost surely, 2^25474907340 is an apocalyptic number.

25474907340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25474907340 is an abundant number, since it is smaller than the sum of its proper divisors (51798978804).

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

25474907340 is a wasteful number, since it uses less digits than its factorization.

25474907340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141527278 (or 141527273 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 25474907340 in words is "twenty-five billion, four hundred seventy-four million, nine hundred seven thousand, three hundred forty".