40410051621 has 8 divisors (see below), whose sum is σ = 54413535264. Its totient is φ = 26673301200.

The previous prime is 40410051589. The next prime is 40410051629. The reversal of 40410051621 is 12615001404.

It is a happy number.

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

It is not a de Polignac number, because 40410051621 - 2⁵ = 40410051589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40410051591 and 40410051600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40410051629) 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, 66682951 + ... + 66683556.

It is an arithmetic number, because the mean of its divisors is an integer number (6801691908).

Almost surely, 2^40410051621 is an apocalyptic number.

It is an amenable number.

40410051621 is a deficient number, since it is larger than the sum of its proper divisors (14003483643).

40410051621 is a wasteful number, since it uses less digits than its factorization.

40410051621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133366611.

The product of its (nonzero) digits is 960, while the sum is 24.

The spelling of 40410051621 in words is "forty billion, four hundred ten million, fifty-one thousand, six hundred twenty-one".