400070066737 has 8 divisors (see below), whose sum is σ = 438508511712. Its totient is φ = 361976361600.

The previous prime is 400070066723. The next prime is 400070066749. The reversal of 400070066737 is 737660070004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400070066737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 400070066737.

It is not an unprimeable number, because it can be changed into a prime (400070066707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86182528 + ... + 86187169.

It is an arithmetic number, because the mean of its divisors is an integer number (54813563964).

Almost surely, 2^400070066737 is an apocalyptic number.

It is an amenable number.

400070066737 is a deficient number, since it is larger than the sum of its proper divisors (38438444975).

400070066737 is a wasteful number, since it uses less digits than its factorization.

400070066737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172369919.

The product of its (nonzero) digits is 148176, while the sum is 40.

The spelling of 400070066737 in words is "four hundred billion, seventy million, sixty-six thousand, seven hundred thirty-seven".