40092240 has 40 divisors (see below), whose sum is σ = 124286688. Its totient is φ = 10691200.

The previous prime is 40092233. The next prime is 40092259. The reversal of 40092240 is 4229004.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×40092240³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83286 + ... + 83765.

Almost surely, 2^40092240 is an apocalyptic number.

40092240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40092240 is an abundant number, since it is smaller than the sum of its proper divisors (84194448).

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

40092240 is a wasteful number, since it uses less digits than its factorization.

40092240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167067 (or 167061 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 40092240 is about 6331.8433335009. The cubic root of 40092240 is about 342.2578678287.

The spelling of 40092240 in words is "forty million, ninety-two thousand, two hundred forty".