4000408601630 has 96 divisors (see below), whose sum is σ = 8477598441312. Its totient is φ = 1355042304000.

The previous prime is 4000408601599. The next prime is 4000408601647. The reversal of 4000408601630 is 361068040004.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27065930 + ... + 27213330.

It is an arithmetic number, because the mean of its divisors is an integer number (88308317097).

Almost surely, 2^{4000408601630} is an apocalyptic number.

4000408601630 is an abundant number, since it is smaller than the sum of its proper divisors (4477189839682).

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

4000408601630 is a wasteful number, since it uses less digits than its factorization.

4000408601630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148090 (or 148083 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 4000408601630 in words is "four trillion, four hundred eight million, six hundred one thousand, six hundred thirty".