70158450432 has 144 divisors (see below), whose sum is σ = 219166771712. Its totient is φ = 19503452160.

The previous prime is 70158450431. The next prime is 70158450463. The reversal of 70158450432 is 23405485107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70158450431) 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, 22557 + ... + 375267.

Almost surely, 2^70158450432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70158450432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109583385856).

70158450432 is an abundant number, since it is smaller than the sum of its proper divisors (149008321280).

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

70158450432 is a wasteful number, since it uses less digits than its factorization.

70158450432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352774 (or 352760 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 70158450432 in words is "seventy billion, one hundred fifty-eight million, four hundred fifty thousand, four hundred thirty-two".