40750405 has 16 divisors (see below), whose sum is σ = 50154624. Its totient is φ = 31775040.

The previous prime is 40750387. The next prime is 40750429. The reversal of 40750405 is 50405704.

It is not a de Polignac number, because 40750405 - 2⁵ = 40750373 is a prime.

It is a Duffinian number.

It is a zygodrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 40750405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33915 + ... + 35095.

It is an arithmetic number, because the mean of its divisors is an integer number (3134664).

Almost surely, 2^40750405 is an apocalyptic number.

It is an amenable number.

40750405 is a deficient number, since it is larger than the sum of its proper divisors (9404219).

40750405 is a wasteful number, since it uses less digits than its factorization.

40750405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 40750405 is about 6383.6043893713. The cubic root of 40750405 is about 344.1205775477.

The spelling of 40750405 in words is "forty million, seven hundred fifty thousand, four hundred five".