40419951 has 16 divisors (see below), whose sum is σ = 63315840. Its totient is φ = 22612320.

The previous prime is 40419941. The next prime is 40419991. The reversal of 40419951 is 15991404.

40419951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40419951 - 2¹¹ = 40417903 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40419941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46681 + ... + 47538.

It is an arithmetic number, because the mean of its divisors is an integer number (3957240).

Almost surely, 2^40419951 is an apocalyptic number.

40419951 is a deficient number, since it is larger than the sum of its proper divisors (22895889).

40419951 is a wasteful number, since it uses less digits than its factorization.

40419951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94246.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 40419951 is about 6357.6686764883. The cubic root of 40419951 is about 343.1878686466.

The spelling of 40419951 in words is "forty million, four hundred nineteen thousand, nine hundred fifty-one".