1954110642 has 16 divisors (see below), whose sum is σ = 4263514272. Its totient is φ = 592154720.

The previous prime is 1954110617. The next prime is 1954110643. The reversal of 1954110642 is 2460114591.

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

It is not an unprimeable number, because it can be changed into a prime (1954110643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14803803 + ... + 14803934.

It is an arithmetic number, because the mean of its divisors is an integer number (266469642).

Almost surely, 2^1954110642 is an apocalyptic number.

1954110642 is an abundant number, since it is smaller than the sum of its proper divisors (2309403630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1954110642 is a wasteful number, since it uses less digits than its factorization.

1954110642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29607753.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1954110642 is about 44205.3236839184. The cubic root of 1954110642 is about 1250.2102349324.

The spelling of 1954110642 in words is "one billion, nine hundred fifty-four million, one hundred ten thousand, six hundred forty-two".