40534473952 has 48 divisors (see below), whose sum is σ = 93143070720. Its totient is φ = 17002297728.

The previous prime is 40534473943. The next prime is 40534473971. The reversal of 40534473952 is 25937443504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1914552 + ... + 1935607.

It is an arithmetic number, because the mean of its divisors is an integer number (1940480640).

Almost surely, 2^40534473952 is an apocalyptic number.

It is an amenable number.

40534473952 is an abundant number, since it is smaller than the sum of its proper divisors (52608596768).

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

40534473952 is a wasteful number, since it uses less digits than its factorization.

40534473952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850223 (or 3850215 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 40534473952 in words is "forty billion, five hundred thirty-four million, four hundred seventy-three thousand, nine hundred fifty-two".