40825599400 has 96 divisors (see below), whose sum is σ = 96581764800. Its totient is φ = 16046553600.

The previous prime is 40825599391. The next prime is 40825599431. The reversal of 40825599400 is 499552804.

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, 2894365 + ... + 2908435.

It is an arithmetic number, because the mean of its divisors is an integer number (1006060050).

Almost surely, 2^40825599400 is an apocalyptic number.

40825599400 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 40825599400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48290882400).

40825599400 is an abundant number, since it is smaller than the sum of its proper divisors (55756165400).

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

40825599400 is a wasteful number, since it uses less digits than its factorization.

40825599400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14339 (or 14330 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 40825599400 in words is "forty billion, eight hundred twenty-five million, five hundred ninety-nine thousand, four hundred".