402265223655 has 16 divisors (see below), whose sum is σ = 681484614624. Its totient is φ = 201921367040.

The previous prime is 402265223641. The next prime is 402265223669. The reversal of 402265223655 is 556322562204.

It is a happy number.

402265223655 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (402265223641) and next prime (402265223669).

It is not a de Polignac number, because 402265223655 - 2⁴ = 402265223639 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788755086 + ... + 788755595.

It is an arithmetic number, because the mean of its divisors is an integer number (42592788414).

Almost surely, 2^402265223655 is an apocalyptic number.

402265223655 is a deficient number, since it is larger than the sum of its proper divisors (279219390969).

402265223655 is a wasteful number, since it uses less digits than its factorization.

402265223655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577510706.

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 402265223655 its reverse (556322562204), we get a palindrome (958587785859).

The spelling of 402265223655 in words is "four hundred two billion, two hundred sixty-five million, two hundred twenty-three thousand, six hundred fifty-five".