2540401073 has 16 divisors (see below), whose sum is σ = 3005134080. Its totient is φ = 2101208256.

The previous prime is 2540401063. The next prime is 2540401091. The reversal of 2540401073 is 3701040452.

It is not a de Polignac number, because 2540401073 - 2⁴ = 2540401057 is a prime.

It is a super-2 number, since 2×2540401073² = 12907275223399102658, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2540401043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 658436 + ... + 662282.

It is an arithmetic number, because the mean of its divisors is an integer number (187820880).

Almost surely, 2^2540401073 is an apocalyptic number.

It is an amenable number.

2540401073 is a deficient number, since it is larger than the sum of its proper divisors (464733007).

2540401073 is a wasteful number, since it uses less digits than its factorization.

2540401073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7136.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 2540401073 is about 50402.3915404815. The cubic root of 2540401073 is about 1364.4808006296.

The spelling of 2540401073 in words is "two billion, five hundred forty million, four hundred one thousand, seventy-three".