7540354044 has 48 divisors (see below), whose sum is σ = 19611611040. Its totient is φ = 2505409920.

The previous prime is 7540354039. The next prime is 7540354091. The reversal of 7540354044 is 4404530457.

7540354044 is a `hidden beast` number, since 7 + 540 + 35 + 40 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77727 + ... + 145334.

It is an arithmetic number, because the mean of its divisors is an integer number (408575230).

Almost surely, 2^7540354044 is an apocalyptic number.

It is an amenable number.

7540354044 is an abundant number, since it is smaller than the sum of its proper divisors (12071256996).

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

7540354044 is a wasteful number, since it uses less digits than its factorization.

7540354044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223387 (or 223379 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 36.

The square root of 7540354044 is about 86835.2120052689. The cubic root of 7540354044 is about 1960.9382260168.

The spelling of 7540354044 in words is "seven billion, five hundred forty million, three hundred fifty-four thousand, forty-four".