60400135552 has 32 divisors (see below), whose sum is σ = 123580523520. Its totient is φ = 29383847424.

The previous prime is 60400135489. The next prime is 60400135561. The reversal of 60400135552 is 25553100406.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6371968 + ... + 6381439.

It is an arithmetic number, because the mean of its divisors is an integer number (3861891360).

Almost surely, 2^60400135552 is an apocalyptic number.

It is an amenable number.

60400135552 is an abundant number, since it is smaller than the sum of its proper divisors (63180387968).

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

60400135552 is a wasteful number, since it uses less digits than its factorization.

60400135552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12753458 (or 12753446 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 60400135552 its reverse (25553100406), we get a palindrome (85953235958).

The spelling of 60400135552 in words is "sixty billion, four hundred million, one hundred thirty-five thousand, five hundred fifty-two".