40481123890 has 16 divisors (see below), whose sum is σ = 72875092032. Its totient is φ = 16190434224.

The previous prime is 40481123861. The next prime is 40481123897. The reversal of 40481123890 is 9832118404.

It is not an unprimeable number, because it can be changed into a prime (40481123897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166164 + ... + 329503.

It is an arithmetic number, because the mean of its divisors is an integer number (4554693252).

Almost surely, 2^40481123890 is an apocalyptic number.

40481123890 is a deficient number, since it is larger than the sum of its proper divisors (32393968142).

40481123890 is a wasteful number, since it uses less digits than its factorization.

40481123890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503841.

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 40481123890 in words is "forty billion, four hundred eighty-one million, one hundred twenty-three thousand, eight hundred ninety".