402373440000 has 800 divisors, whose sum is σ = 1701215936640. Its totient is φ = 91957248000.

The previous prime is 402373439989. The next prime is 402373440013. The reversal of 402373440000 is 44373204.

It is a tau number, because it is divible by the number of its divisors (800).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 79 ways as a sum of consecutive naturals, for example, 60476674 + ... + 60483326.

Almost surely, 2^402373440000 is an apocalyptic number.

402373440000 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 402373440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (850607968320).

402373440000 is an abundant number, since it is smaller than the sum of its proper divisors (1298842496640).

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

402373440000 is an frugal number, since it uses more digits than its factorization.

402373440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6707 (or 6670 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The spelling of 402373440000 in words is "four hundred two billion, three hundred seventy-three million, four hundred forty thousand".