402375619807 has 6 divisors (see below), whose sum is σ = 468069598608. Its totient is φ = 344893388364.

The previous prime is 402375619771. The next prime is 402375619813. The reversal of 402375619807 is 708916573204.

It is not a de Polignac number, because 402375619807 - 2³¹ = 400228136159 is a prime.

It is a super-2 number, since 2×402375619807² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402375619837) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4105873623 + ... + 4105873720.

It is an arithmetic number, because the mean of its divisors is an integer number (78011599768).

It is a 2-persistent number, because it is pandigital, and so is 2⋅402375619807 = 804751239614, but 3⋅402375619807 = 1207126859421 is not.

Almost surely, 2^402375619807 is an apocalyptic number.

402375619807 is a deficient number, since it is larger than the sum of its proper divisors (65693978801).

402375619807 is an equidigital number, since it uses as much as digits as its factorization.

402375619807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8211747357 (or 8211747350 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 402375619807 in words is "four hundred two billion, three hundred seventy-five million, six hundred nineteen thousand, eight hundred seven".