402204761557 has 16 divisors (see below), whose sum is σ = 451482550272. Its totient is φ = 356433557760.

The previous prime is 402204761531. The next prime is 402204761573. The reversal of 402204761557 is 755167402204.

It is a cyclic number.

It is not a de Polignac number, because 402204761557 - 2¹⁹ = 402204237269 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 (402204761507) 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, 10293973 + ... + 10332970.

It is an arithmetic number, because the mean of its divisors is an integer number (28217659392).

Almost surely, 2^402204761557 is an apocalyptic number.

It is an amenable number.

402204761557 is a deficient number, since it is larger than the sum of its proper divisors (49277788715).

402204761557 is a wasteful number, since it uses less digits than its factorization.

402204761557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20627028.

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 402204761557 in words is "four hundred two billion, two hundred four million, seven hundred sixty-one thousand, five hundred fifty-seven".