4540020400154 has 4 divisors (see below), whose sum is σ = 6810030600234. Its totient is φ = 2270010200076.

The previous prime is 4540020400141. The next prime is 4540020400249. The reversal of 4540020400154 is 4510040200454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2275979563225 + 2264040836929 = 1508635^2 + 1504673^2 .

It is a super-2 number, since 2×4540020400154² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135005100037 + ... + 1135005100040.

Almost surely, 2^{4540020400154} is an apocalyptic number.

4540020400154 is a deficient number, since it is larger than the sum of its proper divisors (2270010200080).

4540020400154 is a wasteful number, since it uses less digits than its factorization.

4540020400154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270010200079.

The product of its (nonzero) digits is 12800, while the sum is 29.

The spelling of 4540020400154 in words is "four trillion, five hundred forty billion, twenty million, four hundred thousand, one hundred fifty-four".