40307412 has 24 divisors (see below), whose sum is σ = 94206112. Its totient is φ = 13413600.

The previous prime is 40307411. The next prime is 40307413. The reversal of 40307412 is 21470304.

It is an interprime number because it is at equal distance from previous prime (40307411) and next prime (40307413).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40307411) 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, 5862 + ... + 10722.

Almost surely, 2^40307412 is an apocalyptic number.

It is an amenable number.

40307412 is an abundant number, since it is smaller than the sum of its proper divisors (53898700).

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

40307412 is a wasteful number, since it uses less digits than its factorization.

40307412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5559 (or 5557 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 40307412 is about 6348.8118573478. The cubic root of 40307412 is about 342.8690663512.

Adding to 40307412 its reverse (21470304), we get a palindrome (61777716).

The spelling of 40307412 in words is "forty million, three hundred seven thousand, four hundred twelve".