2354394040 has 16 divisors (see below), whose sum is σ = 5297386680. Its totient is φ = 941757600.

The previous prime is 2354394023. The next prime is 2354394041. The reversal of 2354394040 is 404934532.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2354393987 and 2354394005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2354394041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29429886 + ... + 29429965.

Almost surely, 2^2354394040 is an apocalyptic number.

2354394040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2354394040 is an abundant number, since it is smaller than the sum of its proper divisors (2942992640).

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

2354394040 is a wasteful number, since it uses less digits than its factorization.

2354394040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58859862 (or 58859858 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 2354394040 is about 48522.0984706968. The cubic root of 2354394040 is about 1330.3310160312.

The spelling of 2354394040 in words is "two billion, three hundred fifty-four million, three hundred ninety-four thousand, forty".