40046046400 has 84 divisors (see below), whose sum is σ = 99314699008. Its totient is φ = 15892208640.

The previous prime is 40046046371. The next prime is 40046046431. The reversal of 40046046400 is 464064004.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104662 + ... + 301738.

Almost surely, 2^40046046400 is an apocalyptic number.

40046046400 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 40046046400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49657349504).

40046046400 is an abundant number, since it is smaller than the sum of its proper divisors (59268652608).

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

40046046400 is a wasteful number, since it uses less digits than its factorization.

40046046400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197226 (or 197211 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The spelling of 40046046400 in words is "forty billion, forty-six million, forty-six thousand, four hundred".