400723760342 has 8 divisors (see below), whose sum is σ = 601129242000. Its totient is φ = 200347346344.

The previous prime is 400723760321. The next prime is 400723760357. The reversal of 400723760342 is 243067327004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 400723760296 and 400723760305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7232417 + ... + 7287612.

It is an arithmetic number, because the mean of its divisors is an integer number (75141155250).

Almost surely, 2^400723760342 is an apocalyptic number.

400723760342 is a deficient number, since it is larger than the sum of its proper divisors (200405481658).

400723760342 is a wasteful number, since it uses less digits than its factorization.

400723760342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14533830.

The product of its (nonzero) digits is 169344, while the sum is 38.

The spelling of 400723760342 in words is "four hundred billion, seven hundred twenty-three million, seven hundred sixty thousand, three hundred forty-two".