40349018124 has 36 divisors (see below), whose sum is σ = 102042505656. Its totient is φ = 13443190848.

The previous prime is 40349018081. The next prime is 40349018153. The reversal of 40349018124 is 42181094304.

It is a happy number.

40349018124 is a `hidden beast` number, since 40 + 3 + 490 + 1 + 8 + 124 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194049 + ... + 344024.

It is an arithmetic number, because the mean of its divisors is an integer number (2834514046).

Almost surely, 2^40349018124 is an apocalyptic number.

It is an amenable number.

40349018124 is an abundant number, since it is smaller than the sum of its proper divisors (61693487532).

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

40349018124 is a wasteful number, since it uses less digits than its factorization.

40349018124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540166 (or 540161 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 40349018124 in words is "forty billion, three hundred forty-nine million, eighteen thousand, one hundred twenty-four".