20150456436 has 36 divisors (see below), whose sum is σ = 55566411264. Its totient is φ = 6106198800.

The previous prime is 20150456429. The next prime is 20150456449. The reversal of 20150456436 is 63465405102.

20150456436 is a `hidden beast` number, since 2 + 0 + 1 + 5 + 0 + 4 + 5 + 643 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 20150456436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25442100 + ... + 25442891.

It is an arithmetic number, because the mean of its divisors is an integer number (1543511424).

Almost surely, 2^20150456436 is an apocalyptic number.

It is an amenable number.

20150456436 is an abundant number, since it is smaller than the sum of its proper divisors (35415954828).

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

20150456436 is a wasteful number, since it uses less digits than its factorization.

20150456436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50885012 (or 50885007 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 20150456436 in words is "twenty billion, one hundred fifty million, four hundred fifty-six thousand, four hundred thirty-six".