402761740461 has 8 divisors (see below), whose sum is σ = 537050248704. Its totient is φ = 268490529600.

The previous prime is 402761740373. The next prime is 402761740471. The reversal of 402761740461 is 164047167204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 402761740461 - 2⁹ = 402761739949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402761740471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4269916 + ... + 4363221.

It is an arithmetic number, because the mean of its divisors is an integer number (67131281088).

Almost surely, 2^402761740461 is an apocalyptic number.

It is an amenable number.

402761740461 is a deficient number, since it is larger than the sum of its proper divisors (134288508243).

402761740461 is a wasteful number, since it uses less digits than its factorization.

402761740461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8648691.

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 402761740461 in words is "four hundred two billion, seven hundred sixty-one million, seven hundred forty thousand, four hundred sixty-one".