10440154551 has 4 divisors (see below), whose sum is σ = 13920206072. Its totient is φ = 6960103032.

The previous prime is 10440154547. The next prime is 10440154577. The reversal of 10440154551 is 15545104401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15545104401 = 3 ⋅5181701467.

It is not a de Polignac number, because 10440154551 - 2² = 10440154547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10440154511) 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, 1740025756 + ... + 1740025761.

It is an arithmetic number, because the mean of its divisors is an integer number (3480051518).

Almost surely, 2^10440154551 is an apocalyptic number.

10440154551 is a deficient number, since it is larger than the sum of its proper divisors (3480051521).

10440154551 is an equidigital number, since it uses as much as digits as its factorization.

10440154551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480051520.

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 10440154551 its reverse (15545104401), we get a palindrome (25985258952).

The spelling of 10440154551 in words is "ten billion, four hundred forty million, one hundred fifty-four thousand, five hundred fifty-one".