40033764240 has 40 divisors (see below), whose sum is σ = 124104669888. Its totient is φ = 10675670400.

The previous prime is 40033764191. The next prime is 40033764257. The reversal of 40033764240 is 4246733004.

It is a tau number, because it is divible by the number of its divisors (40).

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, 83403436 + ... + 83403915.

Almost surely, 2^40033764240 is an apocalyptic number.

40033764240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40033764240 is an abundant number, since it is smaller than the sum of its proper divisors (84070905648).

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

40033764240 is a wasteful number, since it uses less digits than its factorization.

40033764240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166807367 (or 166807361 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 33.

The spelling of 40033764240 in words is "forty billion, thirty-three million, seven hundred sixty-four thousand, two hundred forty".