40977240 has 32 divisors (see below), whose sum is σ = 122932080. Its totient is φ = 10927232.

The previous prime is 40977229. The next prime is 40977247. The reversal of 40977240 is 4277904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40977247) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 170619 + ... + 170858.

Almost surely, 2^40977240 is an apocalyptic number.

40977240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40977240 is an abundant number, since it is smaller than the sum of its proper divisors (81954840).

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

40977240 is a wasteful number, since it uses less digits than its factorization.

40977240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341491 (or 341487 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 40977240 is about 6401.3467333054. The cubic root of 40977240 is about 344.7579061918.

The spelling of 40977240 in words is "forty million, nine hundred seventy-seven thousand, two hundred forty".