5371178640 has 80 divisors (see below), whose sum is σ = 16658898048. Its totient is φ = 1431605248.

The previous prime is 5371178599. The next prime is 5371178641. The reversal of 5371178640 is 468711735.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 5371178592 and 5371178601.

It is not an unprimeable number, because it can be changed into a prime (5371178641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 633469 + ... + 641891.

Almost surely, 2^5371178640 is an apocalyptic number.

It is an amenable number.

5371178640 is an abundant number, since it is smaller than the sum of its proper divisors (11287719408).

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

5371178640 is a wasteful number, since it uses less digits than its factorization.

5371178640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11096 (or 11090 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 5371178640 is about 73288.3254004347. The cubic root of 5371178640 is about 1751.2838078944.

The spelling of 5371178640 in words is "five billion, three hundred seventy-one million, one hundred seventy-eight thousand, six hundred forty".