400664737070 has 16 divisors (see below), whose sum is σ = 776673182880. Its totient is φ = 147937749024.

The previous prime is 400664737027. The next prime is 400664737129. The reversal of 400664737070 is 70737466004.

It is a super-3 number, since 3×400664737070³ (a number of 36 digits) contains 333 as substring.

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, 1541018090 + ... + 1541018349.

It is an arithmetic number, because the mean of its divisors is an integer number (48542073930).

Almost surely, 2^400664737070 is an apocalyptic number.

400664737070 is a deficient number, since it is larger than the sum of its proper divisors (376008445810).

400664737070 is a wasteful number, since it uses less digits than its factorization.

400664737070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082036459.

The product of its (nonzero) digits is 592704, while the sum is 44.

The spelling of 400664737070 in words is "four hundred billion, six hundred sixty-four million, seven hundred thirty-seven thousand, seventy".