802403920240 has 40 divisors (see below), whose sum is σ = 2009095972128. Its totient is φ = 296272216320.

The previous prime is 802403920207. The next prime is 802403920259. The reversal of 802403920240 is 42029304208.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 802403920196 and 802403920205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385770076 + ... + 385772155.

Almost surely, 2^802403920240 is an apocalyptic number.

802403920240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

802403920240 is an abundant number, since it is smaller than the sum of its proper divisors (1206692051888).

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

802403920240 is a wasteful number, since it uses less digits than its factorization.

802403920240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771542257 (or 771542251 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 802403920240 in words is "eight hundred two billion, four hundred three million, nine hundred twenty thousand, two hundred forty".