1040157254172 has 24 divisors (see below), whose sum is σ = 2505325000192. Its totient is φ = 335534598000.

The previous prime is 1040157254119. The next prime is 1040157254173. The reversal of 1040157254172 is 2714527510401.

It is a super-2 number, since 2×1040157254172² (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 1040157254172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040157254173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1398060454 + ... + 1398061197.

Almost surely, 2^{1040157254172} is an apocalyptic number.

1040157254172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1040157254172 is an abundant number, since it is smaller than the sum of its proper divisors (1465167746020).

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

1040157254172 is a wasteful number, since it uses less digits than its factorization.

1040157254172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796121689 (or 2796121687 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 39.

The spelling of 1040157254172 in words is "one trillion, forty billion, one hundred fifty-seven million, two hundred fifty-four thousand, one hundred seventy-two".