40763538 has 12 divisors (see below), whose sum is σ = 88321038. Its totient is φ = 13587840.

The previous prime is 40763533. The next prime is 40763539. The reversal of 40763538 is 83536704.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 23648769 + 17114769 = 4863^2 + 4137^2 .

It is not an unprimeable number, because it can be changed into a prime (40763533) 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, 1132303 + ... + 1132338.

Almost surely, 2^40763538 is an apocalyptic number.

40763538 is an abundant number, since it is smaller than the sum of its proper divisors (47557500).

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

40763538 is a wasteful number, since it uses less digits than its factorization.

40763538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264649 (or 2264646 counting only the distinct ones).

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

The square root of 40763538 is about 6384.6329573438. The cubic root of 40763538 is about 344.1575411896.

It can be divided in two parts, 4076353 and 8, that added together give a square (4076361 = 2019²).

The spelling of 40763538 in words is "forty million, seven hundred sixty-three thousand, five hundred thirty-eight".