40010412 has 72 divisors (see below), whose sum is σ = 102582480. Its totient is φ = 12130560.

The previous prime is 40010393. The next prime is 40010441. The reversal of 40010412 is 21401004.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220962 + ... + 221142.

Almost surely, 2^40010412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40010412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51291240).

40010412 is an abundant number, since it is smaller than the sum of its proper divisors (62572068).

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

40010412 is a wasteful number, since it uses less digits than its factorization.

40010412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 40010412 is about 6325.3784076528. The cubic root of 40010412 is about 342.0248605436.

Adding to 40010412 its reverse (21401004), we get a palindrome (61411416).

The spelling of 40010412 in words is "forty million, ten thousand, four hundred twelve".