40923280 has 20 divisors (see below), whose sum is σ = 95146812. Its totient is φ = 16369280.

The previous prime is 40923277. The next prime is 40923307. The reversal of 40923280 is 8232904.

It can be written as a sum of positive squares in 2 ways, for example, as 4875264 + 36048016 = 2208^2 + 6004^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255691 + ... + 255850.

Almost surely, 2^40923280 is an apocalyptic number.

40923280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40923280 is an abundant number, since it is smaller than the sum of its proper divisors (54223532).

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

40923280 is a wasteful number, since it uses less digits than its factorization.

40923280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511554 (or 511548 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 40923280 is about 6397.1306067643. The cubic root of 40923280 is about 344.6065106992.

The spelling of 40923280 in words is "forty million, nine hundred twenty-three thousand, two hundred eighty".