7640290883754 has 48 divisors (see below), whose sum is σ = 16741729821960. Its totient is φ = 2517882554880.

The previous prime is 7640290883711. The next prime is 7640290883759. The reversal of 7640290883754 is 4573880920467.

7640290883754 is a `hidden beast` number, since 76 + 402 + 9 + 0 + 88 + 37 + 54 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1053507224025 + 6586783659729 = 1026405^2 + 2566473^2 .

It is a super-3 number, since 3×7640290883754³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 7640290883691 and 7640290883700.

It is not an unprimeable number, because it can be changed into a prime (7640290883759) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15230094 + ... + 15723750.

Almost surely, 2^{7640290883754} is an apocalyptic number.

7640290883754 is an abundant number, since it is smaller than the sum of its proper divisors (9101438938206).

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

7640290883754 is a wasteful number, since it uses less digits than its factorization.

7640290883754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503415 (or 503412 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 63.

The spelling of 7640290883754 in words is "seven trillion, six hundred forty billion, two hundred ninety million, eight hundred eighty-three thousand, seven hundred fifty-four".