625250100540 has 144 divisors (see below), whose sum is σ = 1970907448608. Its totient is φ = 147215980032.

The previous prime is 625250100523. The next prime is 625250100547. The reversal of 625250100540 is 45001052526.

It is a super-3 number, since 3×625250100540³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 625250100498 and 625250100507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625250100547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 345039 + ... + 1170278.

It is an arithmetic number, because the mean of its divisors is an integer number (13686857282).

Almost surely, 2^625250100540 is an apocalyptic number.

625250100540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

625250100540 is an abundant number, since it is smaller than the sum of its proper divisors (1345657348068).

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

625250100540 is a wasteful number, since it uses less digits than its factorization.

625250100540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515388 (or 1515363 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 625250100540 in words is "six hundred twenty-five billion, two hundred fifty million, one hundred thousand, five hundred forty".