406752494261 has 8 divisors (see below), whose sum is σ = 409128772800. Its totient is φ = 404378986752.

The previous prime is 406752494207. The next prime is 406752494279. The reversal of 406752494261 is 162494257604.

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

It is a cyclic number.

It is not a de Polignac number, because 406752494261 - 2³⁴ = 389572625077 is a prime.

It is a super-2 number, since 2×406752494261² (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 (406752493261) 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, 397961 + ... + 985838.

It is an arithmetic number, because the mean of its divisors is an integer number (51141096600).

Almost surely, 2^406752494261 is an apocalyptic number.

It is an amenable number.

406752494261 is a deficient number, since it is larger than the sum of its proper divisors (2376278539).

406752494261 is a wasteful number, since it uses less digits than its factorization.

406752494261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385515.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 406752494261 in words is "four hundred six billion, seven hundred fifty-two million, four hundred ninety-four thousand, two hundred sixty-one".