36402412640 has 96 divisors (see below), whose sum is σ = 93873336480. Its totient is φ = 13229568000.

The previous prime is 36402412609. The next prime is 36402412649. The reversal of 36402412640 is 4621420463.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 36402412597 and 36402412606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36402412649) 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, 3671690 + ... + 3681590.

It is an arithmetic number, because the mean of its divisors is an integer number (977847255).

Almost surely, 2^36402412640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36402412640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46936668240).

36402412640 is an abundant number, since it is smaller than the sum of its proper divisors (57470923840).

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

36402412640 is a wasteful number, since it uses less digits than its factorization.

36402412640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12016 (or 12008 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 36402412640 in words is "thirty-six billion, four hundred two million, four hundred twelve thousand, six hundred forty".