40345542016 has 64 divisors (see below), whose sum is σ = 86792040720. Its totient is φ = 18570811392.

The previous prime is 40345541981. The next prime is 40345542067. The reversal of 40345542016 is 61024554304.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588171 + ... + 653173.

Almost surely, 2^40345542016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40345542016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43396020360).

40345542016 is an abundant number, since it is smaller than the sum of its proper divisors (46446498704).

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

40345542016 is a wasteful number, since it uses less digits than its factorization.

40345542016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65403 (or 65391 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 40345542016 in words is "forty billion, three hundred forty-five million, five hundred forty-two thousand, sixteen".