40753863 has 6 divisors (see below), whose sum is σ = 58866704. Its totient is φ = 27169236.

The previous prime is 40753849. The next prime is 40753891. The reversal of 40753863 is 36835704.

It is a happy number.

It is not a de Polignac number, because 40753863 - 2⁴ = 40753847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40753813) 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, 2264095 + ... + 2264112.

Almost surely, 2^40753863 is an apocalyptic number.

40753863 is a deficient number, since it is larger than the sum of its proper divisors (18112841).

40753863 is a wasteful number, since it uses less digits than its factorization.

40753863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528213 (or 4528210 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 40753863 is about 6383.8752337432. The cubic root of 40753863 is about 344.1303110730.

It can be divided in two parts, 40753 and 863, that added together give a triangular number (41616 = T₂₈₈).

The spelling of 40753863 in words is "forty million, seven hundred fifty-three thousand, eight hundred sixty-three".