40446651111 has 8 divisors (see below), whose sum is σ = 55668509184. Its totient is φ = 26094613560.

The previous prime is 40446651101. The next prime is 40446651131. The reversal of 40446651111 is 11115664404.

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

It is not a de Polignac number, because 40446651111 - 2⁹ = 40446650599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40446651101) 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, 217455021 + ... + 217455206.

It is an arithmetic number, because the mean of its divisors is an integer number (6958563648).

Almost surely, 2^40446651111 is an apocalyptic number.

40446651111 is a deficient number, since it is larger than the sum of its proper divisors (15221858073).

40446651111 is a wasteful number, since it uses less digits than its factorization.

40446651111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434910261.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 40446651111 in words is "forty billion, four hundred forty-six million, six hundred fifty-one thousand, one hundred eleven".