40878465 has 8 divisors (see below), whose sum is σ = 65405568. Its totient is φ = 21801840.

The previous prime is 40878457. The next prime is 40878473. The reversal of 40878465 is 56487804.

It is an interprime number because it is at equal distance from previous prime (40878457) and next prime (40878473).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40878465 - 2³ = 40878457 is a prime.

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, 1362601 + ... + 1362630.

It is an arithmetic number, because the mean of its divisors is an integer number (8175696).

Almost surely, 2^40878465 is an apocalyptic number.

It is an amenable number.

40878465 is a deficient number, since it is larger than the sum of its proper divisors (24527103).

40878465 is a wasteful number, since it uses less digits than its factorization.

40878465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725239.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 40878465 is about 6393.6269049734. The cubic root of 40878465 is about 344.4806721251.

The spelling of 40878465 in words is "forty million, eight hundred seventy-eight thousand, four hundred sixty-five".