400120888840283 has 24 divisors (see below), whose sum is σ = 434335514130000. Its totient is φ = 368432477337600.

The previous prime is 400120888840271. The next prime is 400120888840297. The reversal of 400120888840283 is 382048888021004.

It is not a de Polignac number, because 400120888840283 - 2¹⁸ = 400120888578139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400120888840223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125282660 + ... + 128436702.

It is an arithmetic number, because the mean of its divisors is an integer number (18097313088750).

Almost surely, 2^{400120888840283} is an apocalyptic number.

400120888840283 is a deficient number, since it is larger than the sum of its proper divisors (34214625289717).

400120888840283 is a wasteful number, since it uses less digits than its factorization.

400120888840283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155919 (or 3155906 counting only the distinct ones).

The product of its (nonzero) digits is 6291456, while the sum is 56.

The spelling of 400120888840283 in words is "four hundred trillion, one hundred twenty billion, eight hundred eighty-eight million, eight hundred forty thousand, two hundred eighty-three".