40389050 has 24 divisors (see below), whose sum is σ = 80903676. Its totient is φ = 14912640.

The previous prime is 40389049. The next prime is 40389053. The reversal of 40389050 is 5098304.

It can be written as a sum of positive squares in 6 ways, for example, as 14205361 + 26183689 = 3769^2 + 5117^2 .

It is not an unprimeable number, because it can be changed into a prime (40389053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30419 + ... + 31718.

Almost surely, 2^40389050 is an apocalyptic number.

40389050 is an abundant number, since it is smaller than the sum of its proper divisors (40514626).

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

40389050 is a wasteful number, since it uses less digits than its factorization.

40389050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62162 (or 62157 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 40389050 is about 6355.2379971170. The cubic root of 40389050 is about 343.1003907907.

The spelling of 40389050 in words is "forty million, three hundred eighty-nine thousand, fifty".