40471767 has 24 divisors (see below), whose sum is σ = 70328960. Its totient is φ = 21908880.

The previous prime is 40471763. The next prime is 40471799. The reversal of 40471767 is 76717404.

It is not a de Polignac number, because 40471767 - 2² = 40471763 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40471763) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15709 + ... + 18102.

Almost surely, 2^40471767 is an apocalyptic number.

40471767 is a deficient number, since it is larger than the sum of its proper divisors (29857193).

40471767 is a wasteful number, since it uses less digits than its factorization.

40471767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33843 (or 33840 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 40471767 is about 6361.7424499896. The cubic root of 40471767 is about 343.3344549141.

The spelling of 40471767 in words is "forty million, four hundred seventy-one thousand, seven hundred sixty-seven".