7540401450238 has 16 divisors (see below), whose sum is σ = 11369443145760. Its totient is φ = 3750587882496.

The previous prime is 7540401450221. The next prime is 7540401450397. The reversal of 7540401450238 is 8320541040457.

It is a junction number, because it is equal to n+sod(n) for n = 7540401450194 and 7540401450203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21289431 + ... + 21640717.

It is an arithmetic number, because the mean of its divisors is an integer number (710590196610).

Almost surely, 2^{7540401450238} is an apocalyptic number.

7540401450238 is a deficient number, since it is larger than the sum of its proper divisors (3829041695522).

7540401450238 is a wasteful number, since it uses less digits than its factorization.

7540401450238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407091.

The product of its (nonzero) digits is 537600, while the sum is 43.

The spelling of 7540401450238 in words is "seven trillion, five hundred forty billion, four hundred one million, four hundred fifty thousand, two hundred thirty-eight".