1012625035640 has 16 divisors (see below), whose sum is σ = 2278406330280. Its totient is φ = 405050014240.

The previous prime is 1012625035577. The next prime is 1012625035657. The reversal of 1012625035640 is 465305262101.

It is a super-2 number, since 2×1012625035640² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1012625035640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12657812906 + ... + 12657812985.

Almost surely, 2^{1012625035640} is an apocalyptic number.

1012625035640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012625035640 is an abundant number, since it is smaller than the sum of its proper divisors (1265781294640).

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

1012625035640 is a wasteful number, since it uses less digits than its factorization.

1012625035640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25315625902 (or 25315625898 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 1012625035640 in words is "one trillion, twelve billion, six hundred twenty-five million, thirty-five thousand, six hundred forty".