40572254 has 12 divisors (see below), whose sum is σ = 61322904. Its totient is φ = 20132424.

The previous prime is 40572229. The next prime is 40572269. The reversal of 40572254 is 45227504.

It is a happy number.

It is a super-2 number, since 2×40572254² = 3292215589281032, 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 5 ways as a sum of consecutive naturals, for example, 48887 + ... + 49709.

It is an arithmetic number, because the mean of its divisors is an integer number (5110242).

Almost surely, 2^40572254 is an apocalyptic number.

40572254 is a deficient number, since it is larger than the sum of its proper divisors (20750650).

40572254 is an equidigital number, since it uses as much as digits as its factorization.

40572254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139 (or 982 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 40572254 is about 6369.6353113816. The cubic root of 40572254 is about 343.6183741122.

Adding to 40572254 its reverse (45227504), we get a palindrome (85799758).

The spelling of 40572254 in words is "forty million, five hundred seventy-two thousand, two hundred fifty-four".