40487402400 has 144 divisors (see below), whose sum is σ = 131859560448. Its totient is φ = 10790656000.

The previous prime is 40487402399. The next prime is 40487402411. The reversal of 40487402400 is 420478404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5854945 + ... + 5861855.

It is an arithmetic number, because the mean of its divisors is an integer number (915691392).

Almost surely, 2^40487402400 is an apocalyptic number.

40487402400 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 40487402400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65929780224).

40487402400 is an abundant number, since it is smaller than the sum of its proper divisors (91372158048).

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

40487402400 is a wasteful number, since it uses less digits than its factorization.

40487402400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9375 (or 9362 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 33.

The spelling of 40487402400 in words is "forty billion, four hundred eighty-seven million, four hundred two thousand, four hundred".