40621151551541 has 8 divisors (see below), whose sum is σ = 44314042334400. Its totient is φ = 36928270572640.

The previous prime is 40621151551483. The next prime is 40621151551543. The reversal of 40621151551541 is 14515515112604.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40621151551541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40621151551543) 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, 8239865 + ... + 12212193.

It is an arithmetic number, because the mean of its divisors is an integer number (5539255291800).

Almost surely, 2^{40621151551541} is an apocalyptic number.

It is an amenable number.

40621151551541 is a deficient number, since it is larger than the sum of its proper divisors (3692890782859).

40621151551541 is a wasteful number, since it uses less digits than its factorization.

40621151551541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4901979.

The product of its (nonzero) digits is 120000, while the sum is 41.

The spelling of 40621151551541 in words is "forty trillion, six hundred twenty-one billion, one hundred fifty-one million, five hundred fifty-one thousand, five hundred forty-one".