400740073340 has 48 divisors (see below), whose sum is σ = 868932852480. Its totient is φ = 155083799040.

The previous prime is 400740073337. The next prime is 400740073343. The reversal of 400740073340 is 43370047004.

It is an interprime number because it is at equal distance from previous prime (400740073337) and next prime (400740073343).

It is a junction number, because it is equal to n+sod(n) for n = 400740073297 and 400740073306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400740073343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2292146 + ... + 2460774.

It is an arithmetic number, because the mean of its divisors is an integer number (18102767760).

Almost surely, 2^400740073340 is an apocalyptic number.

It is an amenable number.

400740073340 is an abundant number, since it is smaller than the sum of its proper divisors (468192779140).

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

400740073340 is a wasteful number, since it uses less digits than its factorization.

400740073340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172502 (or 172500 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 32.

The spelling of 400740073340 in words is "four hundred billion, seven hundred forty million, seventy-three thousand, three hundred forty".