40345446756 has 24 divisors (see below), whose sum is σ = 94143206080. Its totient is φ = 13447935072.

The previous prime is 40345446737. The next prime is 40345446761. The reversal of 40345446756 is 65764454304.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

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, 333090 + ... + 437766.

Almost surely, 2^40345446756 is an apocalyptic number.

It is an amenable number.

40345446756 is an abundant number, since it is smaller than the sum of its proper divisors (53797759324).

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

40345446756 is a wasteful number, since it uses less digits than its factorization.

40345446756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136803 (or 136801 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 48.

The spelling of 40345446756 in words is "forty billion, three hundred forty-five million, four hundred forty-six thousand, seven hundred fifty-six".