1610400441 has 8 divisors (see below), whose sum is σ = 2312369920. Its totient is φ = 991015632.

The previous prime is 1610400413. The next prime is 1610400481. The reversal of 1610400441 is 1440040161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1610400441 - 2⁶ = 1610400377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1610400481) 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, 20646121 + ... + 20646198.

It is an arithmetic number, because the mean of its divisors is an integer number (289046240).

Almost surely, 2^1610400441 is an apocalyptic number.

It is an amenable number.

1610400441 is a deficient number, since it is larger than the sum of its proper divisors (701969479).

1610400441 is a wasteful number, since it uses less digits than its factorization.

1610400441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41292335.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1610400441 is about 40129.7949284568. The cubic root of 1610400441 is about 1172.1358800724.

The spelling of 1610400441 in words is "one billion, six hundred ten million, four hundred thousand, four hundred forty-one".