40197368400 has 120 divisors (see below), whose sum is σ = 147160682304. Its totient is φ = 9187968000.

The previous prime is 40197368383. The next prime is 40197368429. The reversal of 40197368400 is 486379104.

40197368400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2384301 + ... + 2401100.

Almost surely, 2^40197368400 is an apocalyptic number.

40197368400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40197368400 is an abundant number, since it is smaller than the sum of its proper divisors (106963313904).

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

40197368400 is a wasteful number, since it uses less digits than its factorization.

40197368400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785429 (or 4785418 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 40197368400 in words is "forty billion, one hundred ninety-seven million, three hundred sixty-eight thousand, four hundred".