41438017621 has 128 divisors (see below), whose sum is σ = 58718822400. Its totient is φ = 28805414400.

The previous prime is 41438017573. The next prime is 41438017627. The reversal of 41438017621 is 12671083414.

It is not a de Polignac number, because 41438017621 - 2¹⁵ = 41437984853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41438017627) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 254220886 + ... + 254221048.

It is an arithmetic number, because the mean of its divisors is an integer number (458740800).

Almost surely, 2^41438017621 is an apocalyptic number.

It is an amenable number.

41438017621 is a deficient number, since it is larger than the sum of its proper divisors (17280804779).

41438017621 is a wasteful number, since it uses less digits than its factorization.

41438017621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 41438017621 in words is "forty-one billion, four hundred thirty-eight million, seventeen thousand, six hundred twenty-one".