538515415390 has 16 divisors (see below), whose sum is σ = 969354475200. Its totient is φ = 215400226720.

The previous prime is 538515415387. The next prime is 538515415421. The reversal of 538515415390 is 93514515835.

It is a super-2 number, since 2×538515415390² (a number of 24 digits) contains 22 as substring.

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, 351841 + ... + 1095820.

It is an arithmetic number, because the mean of its divisors is an integer number (60584654700).

Almost surely, 2^538515415390 is an apocalyptic number.

538515415390 is a deficient number, since it is larger than the sum of its proper divisors (430839059810).

538515415390 is a wasteful number, since it uses less digits than its factorization.

538515415390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484867.

The product of its (nonzero) digits is 1620000, while the sum is 49.

The spelling of 538515415390 in words is "five hundred thirty-eight billion, five hundred fifteen million, four hundred fifteen thousand, three hundred ninety".