40706512 has 160 divisors (see below), whose sum is σ = 108564480. Its totient is φ = 14307840.

The previous prime is 40706461. The next prime is 40706557. The reversal of 40706512 is 21560704.

It is a super-2 number, since 2×40706512² = 3314040238412288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 866073 + ... + 866119.

It is an arithmetic number, because the mean of its divisors is an integer number (678528).

Almost surely, 2^40706512 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 40706512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54282240).

40706512 is an abundant number, since it is smaller than the sum of its proper divisors (67857968).

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

40706512 is a wasteful number, since it uses less digits than its factorization.

40706512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 40706512 is about 6380.1655150944. The cubic root of 40706512 is about 343.9969803232.

The spelling of 40706512 in words is "forty million, seven hundred six thousand, five hundred twelve".