40751748 has 30 divisors (see below), whose sum is σ = 106533966. Its totient is φ = 13583808.

The previous prime is 40751747. The next prime is 40751759. The reversal of 40751748 is 84715704.

It can be written as a sum of positive squares in only one way, i.e., 32353344 + 8398404 = 5688^2 + 2898^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (40751743) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 62565 + ... + 63212.

Almost surely, 2^40751748 is an apocalyptic number.

It is an amenable number.

40751748 is an abundant number, since it is smaller than the sum of its proper divisors (65782218).

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

40751748 is a wasteful number, since it uses less digits than its factorization.

40751748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125793 (or 125782 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 40751748 is about 6383.7095798603. The cubic root of 40751748 is about 344.1243578689.

The spelling of 40751748 in words is "forty million, seven hundred fifty-one thousand, seven hundred forty-eight".