40053072 has 20 divisors (see below), whose sum is σ = 103470560. Its totient is φ = 13351008.

The previous prime is 40053067. The next prime is 40053077. The reversal of 40053072 is 27035004.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40053067) and next prime (40053077).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40053077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417172 + ... + 417267.

It is an arithmetic number, because the mean of its divisors is an integer number (5173528).

Almost surely, 2^40053072 is an apocalyptic number.

It is an amenable number.

40053072 is an abundant number, since it is smaller than the sum of its proper divisors (63417488).

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

40053072 is a wasteful number, since it uses less digits than its factorization.

40053072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834450 (or 834444 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 40053072 is about 6328.7496395418. The cubic root of 40053072 is about 342.1463755628.

Adding to 40053072 its reverse (27035004), we get a palindrome (67088076).

The spelling of 40053072 in words is "forty million, fifty-three thousand, seventy-two".