40648467 has 16 divisors (see below), whose sum is σ = 58268160. Its totient is φ = 25124832.

The previous prime is 40648457. The next prime is 40648469. The reversal of 40648467 is 76484604.

It is not a de Polignac number, because 40648467 - 2⁷ = 40648339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40648469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4908 + ... + 10265.

It is an arithmetic number, because the mean of its divisors is an integer number (3641760).

Almost surely, 2^40648467 is an apocalyptic number.

40648467 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

40648467 is a deficient number, since it is larger than the sum of its proper divisors (17619693).

40648467 is a wasteful number, since it uses less digits than its factorization.

40648467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15242.

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 40648467 is about 6375.6150291560. The cubic root of 40648467 is about 343.8333963168.

The spelling of 40648467 in words is "forty million, six hundred forty-eight thousand, four hundred sixty-seven".