40477651 has 2 divisors, whose sum is σ = 40477652. Its totient is φ = 40477650.

The previous prime is 40477639. The next prime is 40477673. The reversal of 40477651 is 15677404.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40477651 - 2¹³ = 40469459 is a prime.

It is not a weakly prime, because it can be changed into another prime (40477601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20238825 + 20238826.

It is an arithmetic number, because the mean of its divisors is an integer number (20238826).

Almost surely, 2^40477651 is an apocalyptic number.

40477651 is a deficient number, since it is larger than the sum of its proper divisors (1).

40477651 is an equidigital number, since it uses as much as digits as its factorization.

40477651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 40477651 is about 6362.2048851008. The cubic root of 40477651 is about 343.3510927021.

The spelling of 40477651 in words is "forty million, four hundred seventy-seven thousand, six hundred fifty-one".