40489092 has 96 divisors (see below), whose sum is σ = 122528000. Its totient is φ = 11557728.

The previous prime is 40489079. The next prime is 40489129. The reversal of 40489092 is 29098404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36498 + ... + 37590.

Almost surely, 2^40489092 is an apocalyptic number.

40489092 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40489092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61264000).

40489092 is an abundant number, since it is smaller than the sum of its proper divisors (82038908).

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

40489092 is a wasteful number, since it uses less digits than its factorization.

40489092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127 (or 1105 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 40489092 is about 6363.1039595468. The cubic root of 40489092 is about 343.3834390274.

The spelling of 40489092 in words is "forty million, four hundred eighty-nine thousand, ninety-two".