400073743340 has 48 divisors (see below), whose sum is σ = 877751985600. Its totient is φ = 152885103360.

The previous prime is 400073743283. The next prime is 400073743369. The reversal of 400073743340 is 43347370004.

It is a super-2 number, since 2×400073743340² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 400073743340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152015 + ... + 907334.

It is an arithmetic number, because the mean of its divisors is an integer number (18286499700).

Almost surely, 2^400073743340 is an apocalyptic number.

It is an amenable number.

400073743340 is an abundant number, since it is smaller than the sum of its proper divisors (477678242260).

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

400073743340 is a wasteful number, since it uses less digits than its factorization.

400073743340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060202 (or 1060200 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 35.

The spelling of 400073743340 in words is "four hundred billion, seventy-three million, seven hundred forty-three thousand, three hundred forty".