40265430 has 16 divisors (see below), whose sum is σ = 96637104. Its totient is φ = 10737440.

The previous prime is 40265419. The next prime is 40265443. The reversal of 40265430 is 3456204.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40265430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671061 + ... + 671120.

It is an arithmetic number, because the mean of its divisors is an integer number (6039819).

Almost surely, 2^40265430 is an apocalyptic number.

40265430 is an abundant number, since it is smaller than the sum of its proper divisors (56371674).

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

40265430 is a wasteful number, since it uses less digits than its factorization.

40265430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342191.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 40265430 is about 6345.5047080591. The cubic root of 40265430 is about 342.7499870986.

The spelling of 40265430 in words is "forty million, two hundred sixty-five thousand, four hundred thirty".