40898977 has 32 divisors (see below), whose sum is σ = 50688000. Its totient is φ = 32944464.

The previous prime is 40898969. The next prime is 40898981. The reversal of 40898977 is 77989804.

It is a happy number.

It is not a de Polignac number, because 40898977 - 2³ = 40898969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40898917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 693174 + ... + 693232.

It is an arithmetic number, because the mean of its divisors is an integer number (1584000).

Almost surely, 2^40898977 is an apocalyptic number.

40898977 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

40898977 is a deficient number, since it is larger than the sum of its proper divisors (9789023).

40898977 is an equidigital number, since it uses as much as digits as its factorization.

40898977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 52.

The square root of 40898977 is about 6395.2308011517. The cubic root of 40898977 is about 344.5382803386.

The spelling of 40898977 in words is "forty million, eight hundred ninety-eight thousand, nine hundred seventy-seven".