40923343840 has 96 divisors (see below), whose sum is σ = 105135516864. Its totient is φ = 14990008320.

The previous prime is 40923343807. The next prime is 40923343861. The reversal of 40923343840 is 4834332904.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 40923343793 and 40923343802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102676 + ... + 303955.

It is an arithmetic number, because the mean of its divisors is an integer number (1095161634).

Almost surely, 2^40923343840 is an apocalyptic number.

40923343840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40923343840 is an abundant number, since it is smaller than the sum of its proper divisors (64212173024).

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

40923343840 is a wasteful number, since it uses less digits than its factorization.

40923343840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406700 (or 406692 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 40923343840 in words is "forty billion, nine hundred twenty-three million, three hundred forty-three thousand, eight hundred forty".