2940297626538 has 80 divisors (see below), whose sum is σ = 7017773805504. Its totient is φ = 916922540160.

The previous prime is 2940297626531. The next prime is 2940297626551. The reversal of 2940297626538 is 8356267920492.

It is a happy number.

2940297626538 is a `hidden beast` number, since 2 + 9 + 4 + 0 + 2 + 9 + 76 + 26 + 538 = 666.

2940297626538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2940297626538² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2940297626531) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2736628 + ... + 3656463.

Almost surely, 2^{2940297626538} is an apocalyptic number.

2940297626538 is an abundant number, since it is smaller than the sum of its proper divisors (4077476178966).

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

2940297626538 is a wasteful number, since it uses less digits than its factorization.

2940297626538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6393289 (or 6393280 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 2940297626538 in words is "two trillion, nine hundred forty billion, two hundred ninety-seven million, six hundred twenty-six thousand, five hundred thirty-eight".