70135268400 has 90 divisors (see below), whose sum is σ = 243388875860. Its totient is φ = 18702737280.

The previous prime is 70135268393. The next prime is 70135268419. The reversal of 70135268400 is 486253107.

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9737410 + ... + 9744609.

Almost surely, 2^70135268400 is an apocalyptic number.

It is an amenable number.

70135268400 is an abundant number, since it is smaller than the sum of its proper divisors (173253607460).

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

70135268400 is a wasteful number, since it uses less digits than its factorization.

70135268400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19482043 (or 19482029 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 70135268400 in words is "seventy billion, one hundred thirty-five million, two hundred sixty-eight thousand, four hundred".