402331121503040 has 56 divisors (see below), whose sum is σ = 958272398668032. Its totient is φ = 160895255431680.

The previous prime is 402331121502979. The next prime is 402331121503063. The reversal of 402331121503040 is 40305121133204.

It is a junction number, because it is equal to n+sod(n) for n = 402331121502994 and 402331121503012.

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, 143899016 + ... + 146668295.

It is an arithmetic number, because the mean of its divisors is an integer number (17112007119072).

Almost surely, 2^{402331121503040} is an apocalyptic number.

402331121503040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402331121503040 is an abundant number, since it is smaller than the sum of its proper divisors (555941277164992).

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

402331121503040 is a wasteful number, since it uses less digits than its factorization.

402331121503040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290571655 (or 290571645 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 402331121503040 its reverse (40305121133204), we get a palindrome (442636242636244).

The spelling of 402331121503040 in words is "four hundred two trillion, three hundred thirty-one billion, one hundred twenty-one million, five hundred three thousand, forty".