15400402250032 has 40 divisors (see below), whose sum is σ = 30300748935984. Its totient is φ = 7581228862464.

The previous prime is 15400402250011. The next prime is 15400402250039. The reversal of 15400402250032 is 23005220400451.

It is not an unprimeable number, because it can be changed into a prime (15400402250039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11052253 + ... + 12367420.

Almost surely, 2^{15400402250032} is an apocalyptic number.

It is an amenable number.

15400402250032 is a deficient number, since it is larger than the sum of its proper divisors (14900346685952).

15400402250032 is a wasteful number, since it uses less digits than its factorization.

15400402250032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23420317 (or 23420311 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 15400402250032 its reverse (23005220400451), we get a palindrome (38405622650483).

The spelling of 15400402250032 in words is "fifteen trillion, four hundred billion, four hundred two million, two hundred fifty thousand, thirty-two".