40111929 has 40 divisors (see below), whose sum is σ = 70416192. Its totient is φ = 22433760.

The previous prime is 40111927. The next prime is 40111943. The reversal of 40111929 is 92911104.

It is not a de Polignac number, because 40111929 - 2¹ = 40111927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40111927) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9852 + ... + 13314.

Almost surely, 2^40111929 is an apocalyptic number.

It is an amenable number.

40111929 is a deficient number, since it is larger than the sum of its proper divisors (30304263).

40111929 is a wasteful number, since it uses less digits than its factorization.

40111929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499 (or 3490 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 40111929 is about 6333.3979031796. The cubic root of 40111929 is about 342.3138854217.

The spelling of 40111929 in words is "forty million, one hundred eleven thousand, nine hundred twenty-nine".