40780953 has 6 divisors (see below), whose sum is σ = 58905834. Its totient is φ = 27187296.

The previous prime is 40780921. The next prime is 40780967. The reversal of 40780953 is 35908704.

It can be written as a sum of positive squares in only one way, i.e., 28164249 + 12616704 = 5307^2 + 3552^2 .

It is not a de Polignac number, because 40780953 - 2⁵ = 40780921 is a prime.

It is a super-2 number, since 2×40780953² = 3326172255176418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40787953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2265600 + ... + 2265617.

It is an arithmetic number, because the mean of its divisors is an integer number (9817639).

Almost surely, 2^40780953 is an apocalyptic number.

It is an amenable number.

40780953 is a deficient number, since it is larger than the sum of its proper divisors (18124881).

40780953 is a wasteful number, since it uses less digits than its factorization.

40780953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4531223 (or 4531220 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 40780953 is about 6385.9966332594. The cubic root of 40780953 is about 344.2065445438.

The spelling of 40780953 in words is "forty million, seven hundred eighty thousand, nine hundred fifty-three".