40073865546 has 64 divisors (see below), whose sum is σ = 95092050816. Its totient is φ = 11098464000.

The previous prime is 40073865541. The next prime is 40073865569. The reversal of 40073865546 is 64556837004.

It is a junction number, because it is equal to n+sod(n) for n = 40073865495 and 40073865504.

It is not an unprimeable number, because it can be changed into a prime (40073865541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144561 + ... + 317876.

It is an arithmetic number, because the mean of its divisors is an integer number (1485813294).

Almost surely, 2^40073865546 is an apocalyptic number.

40073865546 is an abundant number, since it is smaller than the sum of its proper divisors (55018185270).

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

40073865546 is a wasteful number, since it uses less digits than its factorization.

40073865546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462567.

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 40073865546 in words is "forty billion, seventy-three million, eight hundred sixty-five thousand, five hundred forty-six".