36400400022 has 32 divisors (see below), whose sum is σ = 83252650752. Its totient is φ = 10393647264.

The previous prime is 36400400011. The next prime is 36400400027. The reversal of 36400400022 is 22000400463.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36400400027) 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, 200908 + ... + 336399.

It is an arithmetic number, because the mean of its divisors is an integer number (2601645336).

Almost surely, 2^36400400022 is an apocalyptic number.

36400400022 is an abundant number, since it is smaller than the sum of its proper divisors (46852250730).

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

36400400022 is a wasteful number, since it uses less digits than its factorization.

36400400022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538932.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 36400400022 its reverse (22000400463), we get a palindrome (58400800485).

The spelling of 36400400022 in words is "thirty-six billion, four hundred million, four hundred thousand, twenty-two".