40051105400 has 48 divisors (see below), whose sum is σ = 96329827800. Its totient is φ = 15468010880.

The previous prime is 40051105357. The next prime is 40051105403. The reversal of 40051105400 is 450115004.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40051105403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3446882 + ... + 3458481.

Almost surely, 2^40051105400 is an apocalyptic number.

40051105400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40051105400 is an abundant number, since it is smaller than the sum of its proper divisors (56278722400).

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

40051105400 is a wasteful number, since it uses less digits than its factorization.

40051105400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6905408 (or 6905399 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The spelling of 40051105400 in words is "forty billion, fifty-one million, one hundred five thousand, four hundred".