1540342098428 has 24 divisors (see below), whose sum is σ = 3180061108224. Its totient is φ = 638851561200.

The previous prime is 1540342098403. The next prime is 1540342098437. The reversal of 1540342098428 is 8248902430451.

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, 887292968 + ... + 887294703.

It is an arithmetic number, because the mean of its divisors is an integer number (132502546176).

Almost surely, 2^{1540342098428} is an apocalyptic number.

It is an amenable number.

1540342098428 is an abundant number, since it is smaller than the sum of its proper divisors (1639719009796).

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

1540342098428 is a wasteful number, since it uses less digits than its factorization.

1540342098428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774587713 (or 1774587711 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 1540342098428 in words is "one trillion, five hundred forty billion, three hundred forty-two million, ninety-eight thousand, four hundred twenty-eight".