403340373996 has 72 divisors (see below), whose sum is σ = 1095824350656. Its totient is φ = 115130282400.

The previous prime is 403340373979. The next prime is 403340374007. The reversal of 403340373996 is 699373043304.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

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, 291655 + ... + 944321.

It is an arithmetic number, because the mean of its divisors is an integer number (15219782648).

Almost surely, 2^403340373996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403340373996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547912175328).

403340373996 is an abundant number, since it is smaller than the sum of its proper divisors (692483976660).

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

403340373996 is a wasteful number, since it uses less digits than its factorization.

403340373996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653739 (or 653730 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 51.

The spelling of 403340373996 in words is "four hundred three billion, three hundred forty million, three hundred seventy-three thousand, nine hundred ninety-six".