40403742024 has 16 divisors (see below), whose sum is σ = 101009355120. Its totient is φ = 13467914000.

The previous prime is 40403742013. The next prime is 40403742037. The reversal of 40403742024 is 42024730404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40403741982 and 40403742000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841744602 + ... + 841744649.

It is an arithmetic number, because the mean of its divisors is an integer number (6313084695).

Almost surely, 2^40403742024 is an apocalyptic number.

It is an amenable number.

40403742024 is an abundant number, since it is smaller than the sum of its proper divisors (60605613096).

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

40403742024 is a wasteful number, since it uses less digits than its factorization.

40403742024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683489260 (or 1683489256 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 30.

The spelling of 40403742024 in words is "forty billion, four hundred three million, seven hundred forty-two thousand, twenty-four".