40502291949 has 64 divisors (see below), whose sum is σ = 69213941760. Its totient is φ = 22929480000.

The previous prime is 40502291917. The next prime is 40502291993. The reversal of 40502291949 is 94919220504.

40502291949 is a `hidden beast` number, since 405 + 0 + 229 + 19 + 4 + 9 = 666.

It is not a de Polignac number, because 40502291949 - 2⁵ = 40502291917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40502291449) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12013234 + ... + 12016604.

It is an arithmetic number, because the mean of its divisors is an integer number (1081467840).

Almost surely, 2^40502291949 is an apocalyptic number.

It is an amenable number.

40502291949 is a deficient number, since it is larger than the sum of its proper divisors (28711649811).

40502291949 is a wasteful number, since it uses less digits than its factorization.

40502291949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959 (or 3953 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 40502291949 in words is "forty billion, five hundred two million, two hundred ninety-one thousand, nine hundred forty-nine".