40249494 has 48 divisors (see below), whose sum is σ = 93567600. Its totient is φ = 12824064.

The previous prime is 40249487. The next prime is 40249511. The reversal of 40249494 is 49494204.

It is a happy number.

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 23 ways as a sum of consecutive naturals, for example, 27862 + ... + 29270.

It is an arithmetic number, because the mean of its divisors is an integer number (1949325).

Almost surely, 2^40249494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40249494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46783800).

40249494 is an abundant number, since it is smaller than the sum of its proper divisors (53318106).

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

40249494 is a wasteful number, since it uses less digits than its factorization.

40249494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466 (or 1437 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 40249494 is about 6344.2488917129. The cubic root of 40249494 is about 342.7047639834.

The spelling of 40249494 in words is "forty million, two hundred forty-nine thousand, four hundred ninety-four".