40210512040 has 64 divisors (see below), whose sum is σ = 91797390720. Its totient is φ = 15849120000.

The previous prime is 40210511987. The next prime is 40210512053. The reversal of 40210512040 is 4021501204.

It is a junction number, because it is equal to n+sod(n) for n = 40210511999 and 40210512017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9031815 + ... + 9036265.

It is an arithmetic number, because the mean of its divisors is an integer number (1434334230).

Almost surely, 2^40210512040 is an apocalyptic number.

40210512040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40210512040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45898695360).

40210512040 is an abundant number, since it is smaller than the sum of its proper divisors (51586878680).

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

40210512040 is a wasteful number, since it uses less digits than its factorization.

40210512040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7714 (or 7710 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The spelling of 40210512040 in words is "forty billion, two hundred ten million, five hundred twelve thousand, forty".