40490547769 has 8 divisors (see below), whose sum is σ = 46276593408. Its totient is φ = 34704922560.

The previous prime is 40490547767. The next prime is 40490547787. The reversal of 40490547769 is 96774509404.

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

It is not a de Polignac number, because 40490547769 - 2¹ = 40490547767 is a prime.

It is a super-2 number, since 2×40490547769² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40490547763) 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, 139104 + ... + 316750.

It is an arithmetic number, because the mean of its divisors is an integer number (5784574176).

Almost surely, 2^40490547769 is an apocalyptic number.

It is an amenable number.

40490547769 is a deficient number, since it is larger than the sum of its proper divisors (5786045639).

40490547769 is a wasteful number, since it uses less digits than its factorization.

40490547769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210215.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 40490547769 in words is "forty billion, four hundred ninety million, five hundred forty-seven thousand, seven hundred sixty-nine".