36400951644 has 24 divisors (see below), whose sum is σ = 85112885760. Its totient is φ = 12108317424.

The previous prime is 36400951627. The next prime is 36400951703. The reversal of 36400951644 is 44615900463.

It is a happy number.

36400951644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 36400951596 and 36400951605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3160654 + ... + 3172149.

It is an arithmetic number, because the mean of its divisors is an integer number (3546370240).

Almost surely, 2^36400951644 is an apocalyptic number.

It is an amenable number.

36400951644 is an abundant number, since it is smaller than the sum of its proper divisors (48711934116).

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

36400951644 is a wasteful number, since it uses less digits than its factorization.

36400951644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6333289 (or 6333287 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 36400951644 in words is "thirty-six billion, four hundred million, nine hundred fifty-one thousand, six hundred forty-four".