15040212400452 has 12 divisors (see below), whose sum is σ = 35093828934416. Its totient is φ = 5013404133480.

The previous prime is 15040212400333. The next prime is 15040212400457. The reversal of 15040212400452 is 25400421204051.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×15040212400452² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15040212400457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626675516674 + ... + 626675516697.

Almost surely, 2^{15040212400452} is an apocalyptic number.

15040212400452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15040212400452 is an abundant number, since it is smaller than the sum of its proper divisors (20053616533964).

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

15040212400452 is a wasteful number, since it uses less digits than its factorization.

15040212400452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253351033378 (or 1253351033376 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The spelling of 15040212400452 in words is "fifteen trillion, forty billion, two hundred twelve million, four hundred thousand, four hundred fifty-two".