40126254 has 32 divisors (see below), whose sum is σ = 93277440. Its totient is φ = 11269632.

The previous prime is 40126231. The next prime is 40126291. The reversal of 40126254 is 45262104.

40126254 = 82² + 83² + ... + 494².

It is a super-2 number, since 2×40126254² = 3220232520145032, 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 15 ways as a sum of consecutive naturals, for example, 5619 + ... + 10574.

It is an arithmetic number, because the mean of its divisors is an integer number (2914920).

Almost surely, 2^40126254 is an apocalyptic number.

40126254 is an abundant number, since it is smaller than the sum of its proper divisors (53151186).

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

40126254 is a wasteful number, since it uses less digits than its factorization.

40126254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16264.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 40126254 is about 6334.5287117512. The cubic root of 40126254 is about 342.3546302650.

Adding to 40126254 its reverse (45262104), we get a palindrome (85388358).

The spelling of 40126254 in words is "forty million, one hundred twenty-six thousand, two hundred fifty-four".