1541772042 has 32 divisors (see below), whose sum is σ = 3185395200. Its totient is φ = 496973760.

The previous prime is 1541772019. The next prime is 1541772047. The reversal of 1541772042 is 2402771451.

It is a super-2 number, since 2×1541772042² = 4754122058985699528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1541771994 and 1541772012.

It is not an unprimeable number, because it can be changed into a prime (1541772047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360388 + ... + 364640.

It is an arithmetic number, because the mean of its divisors is an integer number (99543600).

Almost surely, 2^1541772042 is an apocalyptic number.

1541772042 is an abundant number, since it is smaller than the sum of its proper divisors (1643623158).

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

1541772042 is a wasteful number, since it uses less digits than its factorization.

1541772042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6238.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 1541772042 is about 39265.4051551744. The cubic root of 1541772042 is about 1155.2431144314.

The spelling of 1541772042 in words is "one billion, five hundred forty-one million, seven hundred seventy-two thousand, forty-two".