36400280472 has 64 divisors (see below), whose sum is σ = 101128869600. Its totient is φ = 12131389440.

The previous prime is 36400280471. The next prime is 36400280489. The reversal of 36400280472 is 27408200463.

36400280472 is a `hidden beast` number, since 3 + 640 + 0 + 2 + 8 + 0 + 4 + 7 + 2 = 666.

It is a super-3 number, since 3×36400280472³ (a number of 33 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36400280471) 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, 1830648 + ... + 1850424.

Almost surely, 2^36400280472 is an apocalyptic number.

It is an amenable number.

36400280472 is an abundant number, since it is smaller than the sum of its proper divisors (64728589128).

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

36400280472 is a wasteful number, since it uses less digits than its factorization.

36400280472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28313 (or 28303 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 36400280472 in words is "thirty-six billion, four hundred million, two hundred eighty thousand, four hundred seventy-two".