40035390400 has 42 divisors (see below), whose sum is σ = 98512086440. Its totient is φ = 16014155520.

The previous prime is 40035390361. The next prime is 40035390467. The reversal of 40035390400 is 409353004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12509460 + ... + 12512659.

Almost surely, 2^40035390400 is an apocalyptic number.

40035390400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40035390400 is an abundant number, since it is smaller than the sum of its proper divisors (58476696040).

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

40035390400 is a wasteful number, since it uses less digits than its factorization.

40035390400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25022141 (or 25022126 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The spelling of 40035390400 in words is "forty billion, thirty-five million, three hundred ninety thousand, four hundred".