1274268897504 has 72 divisors (see below), whose sum is σ = 3757913391960. Its totient is φ = 424756296576.

The previous prime is 1274268897497. The next prime is 1274268897509. The reversal of 1274268897504 is 4057988624721.

It is a happy number.

1274268897504 is a `hidden beast` number, since 1 + 2 + 7 + 42 + 6 + 8 + 89 + 7 + 504 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×1274268897504² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1274268897509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81928239 + ... + 81943790.

It is an arithmetic number, because the mean of its divisors is an integer number (52193241555).

Almost surely, 2^{1274268897504} is an apocalyptic number.

It is an amenable number.

1274268897504 is an abundant number, since it is smaller than the sum of its proper divisors (2483644494456).

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

1274268897504 is an equidigital number, since it uses as much as digits as its factorization.

1274268897504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163872054 (or 163872034 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 63.

The spelling of 1274268897504 in words is "one trillion, two hundred seventy-four billion, two hundred sixty-eight million, eight hundred ninety-seven thousand, five hundred four".