15400402053000 has 128 divisors (see below), whose sum is σ = 49599230653440. Its totient is φ = 3974297280000.

The previous prime is 15400402052993. The next prime is 15400402053059. The reversal of 15400402053000 is 35020400451.

It is a super-2 number, since 2×15400402053000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82704861 + ... + 82890860.

It is an arithmetic number, because the mean of its divisors is an integer number (387493989480).

Almost surely, 2^{15400402053000} is an apocalyptic number.

15400402053000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15400402053000 is an abundant number, since it is smaller than the sum of its proper divisors (34198828600440).

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

15400402053000 is a wasteful number, since it uses less digits than its factorization.

15400402053000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165595776 (or 165595762 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 15400402053000 its reverse (35020400451), we get a palindrome (15435422453451).

The spelling of 15400402053000 in words is "fifteen trillion, four hundred billion, four hundred two million, fifty-three thousand".