36405021024 has 60 divisors (see below), whose sum is σ = 107066163204. Its totient is φ = 12135006144.

The previous prime is 36405021001. The next prime is 36405021047. The reversal of 36405021024 is 42012050463.

36405021024 is a `hidden beast` number, since 3 + 640 + 5 + 0 + 2 + 10 + 2 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (36405021001) and next prime (36405021047).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7019982 + ... + 7025165.

Almost surely, 2^36405021024 is an apocalyptic number.

It is an amenable number.

36405021024 is an abundant number, since it is smaller than the sum of its proper divisors (70661142180).

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

36405021024 is a wasteful number, since it uses less digits than its factorization.

36405021024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14045169 (or 14045152 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 36405021024 its reverse (42012050463), we get a palindrome (78417071487).

The spelling of 36405021024 in words is "thirty-six billion, four hundred five million, twenty-one thousand, twenty-four".