40519844281 has 16 divisors (see below), whose sum is σ = 47915865088. Its totient is φ = 33531019200.

The previous prime is 40519844279. The next prime is 40519844291. The reversal of 40519844281 is 18244891504.

It is not a de Polignac number, because 40519844281 - 2¹ = 40519844279 is a prime.

It is a super-2 number, since 2×40519844281² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40519844221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130410 + ... + 313123.

It is an arithmetic number, because the mean of its divisors is an integer number (2994741568).

Almost surely, 2^40519844281 is an apocalyptic number.

It is an amenable number.

40519844281 is a deficient number, since it is larger than the sum of its proper divisors (7396020807).

40519844281 is a wasteful number, since it uses less digits than its factorization.

40519844281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443992.

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 40519844281 in words is "forty billion, five hundred nineteen million, eight hundred forty-four thousand, two hundred eighty-one".