41431428 has 18 divisors (see below), whose sum is σ = 104729534. Its totient is φ = 13810464.

The previous prime is 41431427. The next prime is 41431433. The reversal of 41431428 is 82413414.

It can be written as a sum of positive squares in only one way, i.e., 38340864 + 3090564 = 6192^2 + 1758^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×41431428² = 3433126452238368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (41431427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 575401 + ... + 575472.

Almost surely, 2^41431428 is an apocalyptic number.

It is an amenable number.

41431428 is an abundant number, since it is smaller than the sum of its proper divisors (63298106).

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

41431428 is a wasteful number, since it uses less digits than its factorization.

41431428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150883 (or 1150878 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 41431428 is about 6436.7249436340. The cubic root of 41431428 is about 346.0269839848.

The spelling of 41431428 in words is "forty-one million, four hundred thirty-one thousand, four hundred twenty-eight".