40025064424 has 16 divisors (see below), whose sum is σ = 75060941220. Its totient is φ = 20008813440.

The previous prime is 40025064413. The next prime is 40025064427. The reversal of 40025064424 is 42446052004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30397922500 + 9627141924 = 174350^2 + 98118^2 .

It is not an unprimeable number, because it can be changed into a prime (40025064427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418837 + ... + 505444.

Almost surely, 2^40025064424 is an apocalyptic number.

It is an amenable number.

40025064424 is a deficient number, since it is larger than the sum of its proper divisors (35035876796).

40025064424 is a wasteful number, since it uses less digits than its factorization.

40025064424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929700 (or 929696 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

The spelling of 40025064424 in words is "forty billion, twenty-five million, sixty-four thousand, four hundred twenty-four".