40653570 has 16 divisors (see below), whose sum is σ = 97568640. Its totient is φ = 10840944.

The previous prime is 40653553. The next prime is 40653583. The reversal of 40653570 is 7535604.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1355119 = 40653570 / (4 + 0 + 6 + 5 + 3 + 5 + 7 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677530 + ... + 677589.

It is an arithmetic number, because the mean of its divisors is an integer number (6098040).

Almost surely, 2^40653570 is an apocalyptic number.

40653570 is an abundant number, since it is smaller than the sum of its proper divisors (56915070).

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

40653570 is a wasteful number, since it uses less digits than its factorization.

40653570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355129.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 40653570 is about 6376.0152132817. The cubic root of 40653570 is about 343.8477839721.

The spelling of 40653570 in words is "forty million, six hundred fifty-three thousand, five hundred seventy".