40412020 has 24 divisors (see below), whose sum is σ = 92580768. Its totient is φ = 14695200.

The previous prime is 40412017. The next prime is 40412027. The reversal of 40412020 is 2021404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40412027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91626 + ... + 92065.

It is an arithmetic number, because the mean of its divisors is an integer number (3857532).

Almost surely, 2^40412020 is an apocalyptic number.

It is an amenable number.

40412020 is an abundant number, since it is smaller than the sum of its proper divisors (52168748).

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

40412020 is a wasteful number, since it uses less digits than its factorization.

40412020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183711 (or 183709 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 40412020 is about 6357.0449109630. The cubic root of 40412020 is about 343.1654209777.

Adding to 40412020 its reverse (2021404), we get a palindrome (42433424).

It can be divided in two parts, 4041 and 2020, that multiplied together give a triangular number (8162820 = T₄₀₄₀).

The spelling of 40412020 in words is "forty million, four hundred twelve thousand, twenty".