40679232 has 168 divisors, whose sum is σ = 126479808. Its totient is φ = 11489280.

The previous prime is 40679227. The next prime is 40679263. The reversal of 40679232 is 23297604.

It is a super-2 number, since 2×40679232² = 3309599832219648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 40679193 and 40679202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 394893 + ... + 394995.

It is an arithmetic number, because the mean of its divisors is an integer number (752856).

Almost surely, 2^40679232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40679232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63239904).

40679232 is an abundant number, since it is smaller than the sum of its proper divisors (85800576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40679232 is a wasteful number, since it uses less digits than its factorization.

40679232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 40679232 is about 6378.0272812211. The cubic root of 40679232 is about 343.9201184628.

The spelling of 40679232 in words is "forty million, six hundred seventy-nine thousand, two hundred thirty-two".