40029492 has 48 divisors (see below), whose sum is σ = 99368640. Its totient is φ = 12498432.

The previous prime is 40029461. The next prime is 40029503. The reversal of 40029492 is 29492004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64359 + ... + 64977.

It is an arithmetic number, because the mean of its divisors is an integer number (2070180).

Almost surely, 2^40029492 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 40029492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49684320).

40029492 is an abundant number, since it is smaller than the sum of its proper divisors (59339148).

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

40029492 is a wasteful number, since it uses less digits than its factorization.

40029492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 40029492 is about 6326.8864380515. The cubic root of 40029492 is about 342.0792197046.

It can be divided in two parts, 400 and 29492, that added together give a palindrome (29892).

The spelling of 40029492 in words is "forty million, twenty-nine thousand, four hundred ninety-two".