40665214151552 has 32 divisors (see below), whose sum is σ = 81799262716080. Its totient is φ = 20135203117056.

The previous prime is 40665214151537. The next prime is 40665214151561. The reversal of 40665214151552 is 25515141256604.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 40665214151497 and 40665214151506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1542205193 + ... + 1542231560.

Almost surely, 2^{40665214151552} is an apocalyptic number.

It is an amenable number.

40665214151552 is an abundant number, since it is smaller than the sum of its proper divisors (41134048564528).

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

40665214151552 is a wasteful number, since it uses less digits than its factorization.

40665214151552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084436870 (or 3084436858 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 47.

The spelling of 40665214151552 in words is "forty trillion, six hundred sixty-five billion, two hundred fourteen million, one hundred fifty-one thousand, five hundred fifty-two".