70154520444 has 48 divisors (see below), whose sum is σ = 184373646240. Its totient is φ = 23064497280.

The previous prime is 70154520421. The next prime is 70154520451. The reversal of 70154520444 is 44402545107.

70154520444 is a `hidden beast` number, since 70 + 1 + 545 + 2 + 0 + 4 + 44 = 666.

It is a super-2 number, since 2×70154520444² (a number of 22 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 70154520399 and 70154520408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4441287 + ... + 4457054.

It is an arithmetic number, because the mean of its divisors is an integer number (3841117630).

Almost surely, 2^70154520444 is an apocalyptic number.

It is an amenable number.

70154520444 is an abundant number, since it is smaller than the sum of its proper divisors (114219125796).

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

70154520444 is a wasteful number, since it uses less digits than its factorization.

70154520444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8898427 (or 8898419 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 36.

The spelling of 70154520444 in words is "seventy billion, one hundred fifty-four million, five hundred twenty thousand, four hundred forty-four".