40551401600 has 96 divisors (see below), whose sum is σ = 101670315600. Its totient is φ = 15978378240.

The previous prime is 40551401581. The next prime is 40551401623. The reversal of 40551401600 is 610415504.

It is a self number, because there is not a number n which added to its sum of digits gives 40551401600.

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, 119831 + ... + 308969.

Almost surely, 2^40551401600 is an apocalyptic number.

40551401600 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 40551401600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50835157800).

40551401600 is an abundant number, since it is smaller than the sum of its proper divisors (61118914000).

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

40551401600 is a wasteful number, since it uses less digits than its factorization.

40551401600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189230 (or 189213 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 40551401600 in words is "forty billion, five hundred fifty-one million, four hundred one thousand, six hundred".