402448923071 has 16 divisors (see below), whose sum is σ = 467559558144. Its totient is φ = 343041913344.

The previous prime is 402448923067. The next prime is 402448923127. The reversal of 402448923071 is 170329844204.

It is not a de Polignac number, because 402448923071 - 2² = 402448923067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402448923011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17167871 + ... + 17191296.

It is an arithmetic number, because the mean of its divisors is an integer number (29222472384).

Almost surely, 2^402448923071 is an apocalyptic number.

402448923071 is a deficient number, since it is larger than the sum of its proper divisors (65110635073).

402448923071 is a wasteful number, since it uses less digits than its factorization.

402448923071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34359250.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 402448923071 in words is "four hundred two billion, four hundred forty-eight million, nine hundred twenty-three thousand, seventy-one".