36401944 has 8 divisors (see below), whose sum is σ = 68253660. Its totient is φ = 18200968.

The previous prime is 36401941. The next prime is 36401957. The reversal of 36401944 is 44910463.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36401941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2275114 + ... + 2275129.

Almost surely, 2^36401944 is an apocalyptic number.

It is an amenable number.

36401944 is a deficient number, since it is larger than the sum of its proper divisors (31851716).

36401944 is a wasteful number, since it uses less digits than its factorization.

36401944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4550249 (or 4550245 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 36401944 is about 6033.4023568796. The cubic root of 36401944 is about 331.4170590107.

The spelling of 36401944 in words is "thirty-six million, four hundred one thousand, nine hundred forty-four".