40462136261 has 4 divisors (see below), whose sum is σ = 42591722400. Its totient is φ = 38332550124.

The previous prime is 40462136219. The next prime is 40462136263. The reversal of 40462136261 is 16263126404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40462136261 - 2³⁴ = 23282267077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40462136263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064793041 + ... + 1064793078.

It is an arithmetic number, because the mean of its divisors is an integer number (10647930600).

Almost surely, 2^40462136261 is an apocalyptic number.

It is an amenable number.

40462136261 is a deficient number, since it is larger than the sum of its proper divisors (2129586139).

40462136261 is a wasteful number, since it uses less digits than its factorization.

40462136261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129586138.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 40462136261 in words is "forty billion, four hundred sixty-two million, one hundred thirty-six thousand, two hundred sixty-one".