40629766485 has 128 divisors (see below), whose sum is σ = 81854115840. Its totient is φ = 16718284800.

The previous prime is 40629766477. The next prime is 40629766511. The reversal of 40629766485 is 58466792604.

40629766485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40629766485 - 2³ = 40629766477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 71405281 + ... + 71405849.

It is an arithmetic number, because the mean of its divisors is an integer number (639485280).

Almost surely, 2^40629766485 is an apocalyptic number.

It is an amenable number.

40629766485 is an abundant number, since it is smaller than the sum of its proper divisors (41224349355).

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

40629766485 is a wasteful number, since it uses less digits than its factorization.

40629766485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099.

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 40629766485 in words is "forty billion, six hundred twenty-nine million, seven hundred sixty-six thousand, four hundred eighty-five".