40748190 has 64 divisors (see below), whose sum is σ = 115637760. Its totient is φ = 8991360.

The previous prime is 40748177. The next prime is 40748209. The reversal of 40748190 is 9184704.

It is a super-2 number, since 2×40748190² = 3320829976552200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2745 + ... + 9435.

It is an arithmetic number, because the mean of its divisors is an integer number (1806840).

Almost surely, 2^40748190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40748190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57818880).

40748190 is an abundant number, since it is smaller than the sum of its proper divisors (74889570).

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

40748190 is a wasteful number, since it uses less digits than its factorization.

40748190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 40748190 is about 6383.4308956861. The cubic root of 40748190 is about 344.1143425104.

The spelling of 40748190 in words is "forty million, seven hundred forty-eight thousand, one hundred ninety".